Subversion: fix forward declaration

Change-Id: I4fa01e0fb5b2a56959a30737b6aea0acc4889334
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/subversion/settingspage.h

@@ -33,10 +33,6 @@
 #include <QPointer>
 #include <QString>
 
-QT_BEGIN_NAMESPACE
-class QSettings;
-QT_END_NAMESPACE
-
 namespace Subversion {
 namespace Internal {
 

src/plugins/subversion/subversionclient.h

@@ -25,16 +25,15 @@
 
 #pragma once
 
-#include "subversionsettings.h"
 #include <vcsbase/vcsbaseclient.h>
-#include <vcsbase/vcscommand.h>
 
 #include <utils/fileutils.h>
 
+namespace VcsBase { class VcsCommand; }
+
 namespace Subversion {
 namespace Internal {
 
-class SubversionSettings;
 class SubversionDiffEditorController;
 
 class SubversionClient : public VcsBase::VcsBaseClient

src/plugins/subversion/subversioncontrol.cpp

@@ -32,6 +32,7 @@
 
 #include <vcsbase/vcsbaseconstants.h>
 #include <vcsbase/vcsbaseclientsettings.h>
+#include <vcsbase/vcscommand.h>
 
 #include <utils/fileutils.h>